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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 122 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.1/3 + 5/6 =
  2. 2.1/3 + 2/6 =
  3. 3.4/6 + 1/3 =
  4. 4.7/8 + 1/2 =
  5. 5.3/6 + 6/10 =
  6. 6.3/4 − 3/8 =
  7. 7.6/12 + 9/11 =
  8. 8.8/9 + 2/7 =
  9. 9.1/2 + 1/4 =
  10. 10.2/6 + 1/4 =
  11. 11.1/6 + 1/2 =
  12. 12.7/10 + 7/11 =
  13. 13.3/4 + 3/5 =
  14. 14.2/8 + 1/4 =
  15. 15.1/4 + 1/2 =
  16. 16.5/7 + 9/10 =
  17. 17.4/8 + 2/4 =
  18. 18.2/10 + 2/8 =
  19. 19.2/3 + 8/12 =
  20. 20.3/10 + 1/3 =
  21. 21.10/11 + 2/11 =
  22. 22.1/2 + 1/8 =
  23. 23.2/3 + 3/12 =
  24. 24.1/3 + 4/9 =
  25. 25.3/5 − 1/4 =
  26. 26.2/3 + 6/12 =
  27. 27.4/12 − 2/12 =
  28. 28.5/8 + 3/4 =
  29. 29.10/12 − 1/2 =
  30. 30.3/8 + 1/3 =
  31. 31.3/12 + 6/8 =
  32. 32.4/6 + 5/8 =
  33. 33.10/11 + 5/7 =
  34. 34.1/2 + 9/12 =
  35. 35.5/6 + 1/2 =
  36. 36.11/12 + 3/10 =
  37. 37.11/12 + 1/2 =
  38. 38.3/5 − 2/8 =
  39. 39.5/12 + 1/3 =
  40. 40.4/10 − 3/10 =

Answer key

  1. 7/6
  2. 2/3
  3. 1
  4. 11/8
  5. 11/10
  6. 3/8
  7. 29/22
  8. 74/63
  9. 3/4
  10. 7/12
  11. 2/3
  12. 147/110
  13. 27/20
  14. 1/2
  15. 3/4
  16. 113/70
  17. 1
  18. 9/20
  19. 4/3
  20. 19/30
  21. 12/11
  22. 5/8
  23. 11/12
  24. 7/9
  25. 7/20
  26. 7/6
  27. 1/6
  28. 11/8
  29. 1/3
  30. 17/24
  31. 1
  32. 31/24
  33. 125/77
  34. 5/4
  35. 4/3
  36. 73/60
  37. 17/12
  38. 7/20
  39. 3/4
  40. 1/10

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